In total there were 538 new 141 registrations in January, compared with 395 the year before.
While car sales are up nationwide, the increase is well above the national average of 32.6%.
Of the cars sold last month, 397 were diesel – more than the sum total of sales in January 2013 – while 136 were petrol. There were also four hybrids sold and one dual-fuel car.
Ford was the most popular model last month with 76 sales, followed by Toyota (66) and Volkswagen (60).
The manufacturers who recorded the biggest increase in sales in the last 12 months were Opel (109%), Kia (100%) and Toyota (83.3%).
The biggest selling model was the Ford Focus, which had 30 sales last month – the same figure as in January 2013.
This was followed by the Volkswagen Golf (27), the Ford Fiesta (25) and the Hyundai IX35 (23).
The big winners in terms of sales increases were the Renault Clio (183.3%), the Kia Sportage and the Toyota Corolla (both 157.1%).
Silver was the most popular colour sold with 123 silver cards bought last month. This was followed by black (95), red (89), grey (75), white (65) and blue (50).
In total there were 1,477 new cars sold in Louth last year, with the sales figures for January 2014 meaning that more than a third of that figure has been reached already.
